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Code Name Synonym
ET-153 4-(azidomethyl)benzoic acid 4-azidomethylbenzoic Acid
CAS 79584-03-5 /upload/more_svg/small/small_et-153.svg
Formula C8H7N3O2
MW 177.2
Purity >98%
Storage +2 ... +8 °C
Note 4-(azidomethyl)benzoic acid is used in azide-alkyne ligation chemistry using click-chemistry. JACS (2004), 126(29), 8862-8863. DOI:10.1021/ja049684r;  DOI:10.1002/anie.201206281; Chemistry - A European Journal (2018), 24(7), 1619-1630. DOI:10.1002/chem.201704179.
Code Name Synonym
ET-181 N3-Isoser.DCHA(2S) (S)-2-Hydroxy-3-azidopropanoic acid // Azido Isoserine // (2S)‐3‐azido‐2‐hydroxypropanoic acid
CAS 1620171-65-4 net /upload/small/small_et-181.svg
Formula C15H28N4O3
MW 312.4
Purity >98%
Storage +2 ... +8 °C
Note This azide-containing chiral alpha-hydroxyacid can be used as a building block for further modification using Click-chemistry (CuAAC). WO2014111906A1.
Code Name Synonym
ET-182 N3-HABA.DCHA(2S) (2S)‐4‐azido‐2‐hydroxybutanoic acid DCHA salt // (S)-4-azido-2-hydroxybutyric acid // N3-HABA
CAS 959148-55-1 net /upload/small/small_et-182.svg
Formula C16H30N4O3
MW 326.4
Purity >98%
Storage +2 ... +8 °C
Note This azide-containing chiral alpha-hydroxyacid can be used as a building block for construction of aminoglycoside antibiotics. Further modification using Click-chemistry (CuAAC) can be used. Baasov, T. J. Med. Chem. 2009, 2836; DOI:10.1021/jm801640k; WO2019079706A1.
Code Name Synonym
ET-184 3-(4-Azidophenyl)propionic acid 3-(p-Azidophenyl)propionic acid
CAS 103489-31-2 /upload/small/small_et-184.svg
Formula C9H9N3O2
MW 191.2
Purity >98%
Storage +2 ... +8 °C
Note Used as IR-probe or a building-block for Click-chemistry. Francis, M. B. et. al. Bioconj. Chem., 2008, 153, DOI:10.1021/bc700231v; Londergan, C. H. et. al. J. Phys. Chem. B, 2012, 1172,  DOI:10.1021/jp209899m; Oms, O., Mialane, P. et. al. Chem. Comm., 2015, 16088, DOI:10.1039/C5CC06217A; Francis, M. B. J. Am. Chem. Soc., 2017, 12610, DOI:10.1021/jacs.7b06385.
Code Name Synonym
CH-052 cis-4-Azidocyclohexane carboxylic acid N3-1,4-cis-CHC-OH
CAS 863222-21-3 /upload/more_svg/small/small_CH-052.svg
Formula C7H11N3O2
MW 169.2
Purity >99%
Storage +2 ... +8 °C
Code Name Synonym
CH-053 trans-4-Azidocyclohexanecarboxylic acid N3-1,4-trans-CHC-OH
CAS 1931895-14-5 /upload/more_svg/small/small_CH-053.svg
Formula C7H11N3O2
MW 169.2
Purity >99%
Storage +2 ... +8 °C
Code Name Synonym
AA-150 H-Abu(3-N3).HCl (2S,3R) (2S,3R)-2-amino-3-azidobutanoic acid hydrochloride
CAS /upload/more_svg/small/small_AA-150.svg
Formula C4H9ClN4O2
MW 180.6
Purity >98%
Storage +2 ... +8 °C
Note H-Abu(3-N3) is incorporated into peptides and proteins that can be further selectively modified using Staudinger ligation or Click-chemistry.
Code Name Synonym
AA-149 H-Abu(3-N3).HCl (2S,3S) (2S,3S)-2-amino-3-azidobutanoic acid hydrochloride
CAS /upload/more_svg/small/small_AA-149.svg
Formula C4H9ClN4O2
MW 180.6
Purity >98%
Storage +2 ... +8 °C
Note H-Abu(3-N3) is incorporated into peptides and proteins that can be further selectively modified using Staudinger ligation or Click-chemistry.
Code Name Synonym
FM-181 Fmoc-Abu(3-N3) (2R,3R) (2R,3R)-(Fmoc-amino)-3-azidobutanoic acid
CAS 1229394-75-5 /upload/more_svg/small/small_FM-181.svg
Formula C19H18N4O4
MW 366.4
Purity >98%
Storage +2 ... +8 °C
Note Protected building-block for the synthesis of 2,3-diaminobutanoic acid containing peptides and also for "click" reactions. Eur. J. Org. Chem. (2010), (13), 2536-2543. DOI:10.1002/ejoc.200901345.
Code Name Synonym
FM-208 Fmoc-Abu(3-N3) (2R,3S) (2R,3S)-(Fmoc-amino)-3-azidobutanoic acid
CAS 1932349-21-7 /upload/more_svg/small/small_fm-208.svg
Formula C19H18N4O4
MW 366.4
Purity >98%
Storage +2 ... +8 °C

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